If you would me with these two answers i will mark brainiest

First exercise

To solve the first equation, multiply both sides by 6:

On the left hand side, the 6's simplify and we're left with

On the right hand side, we have

So, the answer is

Second excercise

The unit rate means "how many miles she drives in a hour?" So, if we know how much she drove in 4.5 hours, if we divide by 4.5 we find out how much she drove in a single hour:

Then, you can simplify